CN109656628A - A kind of data load method based on network interface - Google Patents
A kind of data load method based on network interface Download PDFInfo
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- CN109656628A CN109656628A CN201811579667.6A CN201811579667A CN109656628A CN 109656628 A CN109656628 A CN 109656628A CN 201811579667 A CN201811579667 A CN 201811579667A CN 109656628 A CN109656628 A CN 109656628A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/4401—Bootstrapping
- G06F9/4411—Configuring for operating with peripheral devices; Loading of device drivers
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a kind of data load methods based on network interface, comprising the following steps: Step 1: the trawl performance to computer installation under an operating system；Step 2: downloading and installing control function library；Step 3: being improved to control function；Step 4: improved control function directly opens web socket with physical address, operation program is loaded；Step 5: detection load successfully marks.Present invention reduces the complexity of SAR Real-Time Imaging System data load；Since structure is simple, the reliability and efficiency of SAR Real-Time Imaging System can be improved.
Description
Technical field
The invention belongs to real time sar imaging technical field more particularly to a kind of data based on network interface
Loading method.
Background technique
Synthetic aperture radar (Synthetic Aperture Radar, SAR) is a kind of high-resolution microwave imaging radar,
Have many advantages, such as that round-the-clock, round-the-clock, resolution ratio are not influenced by carrier podium level.SAR in civil field territory measurement,
Environment and disaster monitoring, oceanographic observation, sea pollutant monitoring, mapping, resource exploration, interspace measurement etc. all have
Highly important effect.
SAR Real-Time Imaging System is an important component of airborne synthetic aperture radar, is generally used for aerial reality
When processing record data form the SAR initial data that extension set generates, generate in real time image data or other surveying and mapping datas (such as
Moving target etc.).
It is limited by the space of carrier aircraft and power, generally uses dedicated digital signal processing chip (Digital
Signal Processor, DSP) complete data processing task.The high performance DSP TMS320F6678 that TI company releases
It is exactly currently used a digital signal processing chip.In practical applications, it needs to switch due to SAR operating mode,
When operating mode switches, dynamic program load is carried out to TMS320F6678 chip.
In the development and practical application of SAR Real-Time Imaging System, the switching and algorithm due to SAR operating mode are excellent
The reasons such as change generally require to carry out dynamic program load to the DSP operation plate of Real-Time Imaging System.Due to dos operating system
There is lot of advantages to the development of SAR system, so being used always.These advantages include: developer to the known of system
The characteristics such as property, the inheritability of previous research and development, DOS system be low to platform hardware resource requirement.How in DOS system environments
The program of the High Performance DSP TMS320F6678 of lower dynamically load TI company becomes the realistic problem for needing to solve.It is existing
Real-Time Imaging System program dynamic loading method have the disadvantages that (1) by parallel port realize, need more physics to connect
Line increases the complexity of system, reduces reliability and efficiency；(2) it generally requires to carry out by the loading method of serial ports
Additional auxiliary circuit (serial-parallel conversion circuit) increases the expense in design, while also increasing the complexity of system, drops
Low reliability and efficiency.
Summary of the invention
In view of above-mentioned technical problem, the purpose of the present invention is to provide a kind of data load methods based on network interface.
To achieve the goals above, the technical solution adopted in the present invention is as follows:
According to an aspect of the invention, there is provided a kind of data load method based on network interface, including following step
It is rapid:
Step 1: the trawl performance to computer installation under an operating system；
Step 2: downloading and installing control function library；
Step 3: being improved to control function；
Step 4: improved control function directly opens web socket with physical address, to operation program into
Row load；
Step 5: detection load successfully marks.
In certain embodiments of the present invention, control function library is the library WATTCP or TCP/IP interface.
In certain embodiments of the present invention, the data load method based on network interface is used for SAR real time imagery
Processor.
In certain embodiments of the present invention, computer uses industrial control computer, and mainboard is PC104 mainboard, PowerPC
Mainboard or ARM mainboard；Its operating system is DOS system, LINUX system or Vxworks system.
It can be seen from the above technical proposal that at least having the present invention is based on the data load method of network interface following has
One of beneficial effect:
(1) complexity of SAR Real-Time Imaging System data load is reduced；
(2) since structure is simple, the reliability and efficiency of SAR Real-Time Imaging System can be improved.
Detailed description of the invention
Fig. 1 is hardware structure schematic diagram used by the embodiment of the present invention.
Fig. 2 is the flow chart of data load method of the embodiment of the present invention based on network interface.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
The present invention provides a kind of data load methods based on network interface comprising following steps:
Step 1: the trawl performance to computer installation under an operating system；
Step 2: downloading and installing control function library (comprising source code)；
Step 3: being improved to control function；
Step 4: improved control function directly opens web socket with physical address, to operation program into
Row load；
Step 5: detection load successfully marks.
In step 1, computer can specifically use industrial control computer, and mainboard is preferably PC104 mainboard, PowerPC
Mainboard or ARM mainboard.Operating system can be DOS system, LINUX system or Vxworks system etc..
Below for carrying out program load to dsp chip TMS320F6678, to make to the present invention further under DOS system
Detailed description.
Fig. 2 is the flow chart of data load method of the embodiment of the present invention based on network interface.As shown in Fig. 2, this implementation
A kind of data load method based on network interface of example, specific steps are as follows:
Step 1: start command is added in the autoexec.bat file of the c packing catalogue of DOS system: E100BPKT
0x62, while will be under NIC driver E100BPKT.COM file copy to c packing catalogue；
Step 2: downloading wattcp source file engineering library, establishes BC31 exploitation translation and compiling environment；
Step 3: rewriting wattcp library function, increase library function, source code is as follows:
The function of the function is that the opening of socket is directly carried out according to the physical address of network interface card；
Since the ICP/IP protocol stack of DSP being internally integrated is excessively simple and crude, address resolution protocol is not supported, so to increase
Add the function, directly opens socket with the physical address of the chip interior integrated network interface of DSP and carry out data manipulation.
New library function is generated Step 4: recompilating, writes DSP loading function: opening socket, root with physical address
According to data file, DSP is loaded.
The data load method of the present embodiment is under the existence conditions for continuing to use former pure DOS Software Development Platform, by changing
Method into subnetwork protocol integrated test system, directly to the operation program progress dynamically load of DSP TMS320F6678.To not
In the case where increasing additional circuit, the function of dynamically load is realized.
In embodiments of the present invention, high-performance " DOS system industrial control computer+DSP TMS320F6678 plate " is utilized
Architectural framework, that is, the physical network interface of industrial control computer and the Physical Network of DSP TMS320F6678 plate is directly utilized
Network interface directly docks, without using additional hardware circuit.
So far, attached drawing is had been combined the present embodiment is described in detail.According to above description, those skilled in the art
There should be clear understanding to the data load method the present invention is based on network interface.The present invention is to continue to use origin operation system
Under the existence conditions of Software Development Platform, controlled by improvement part network protocol, directly to digital signal processing chip DSP
Run the method that program carries out dynamically load.To realize the function of dynamically load in the case where not increasing additional circuit,
Also assure the compatibility of system.
It should be noted that in attached drawing or specification text, the implementation for not being painted or describing is affiliated technology
Form known to a person of ordinary skill in the art, is not described in detail in field.In addition, the above-mentioned definition to each element and method is simultaneously
It is not limited only to various specific structures, shape or the mode mentioned in embodiment, those of ordinary skill in the art can carry out letter to it
It singly changes or replaces.
In conclusion the present invention provides a kind of data load method based on network interface.The present invention is to continue to use former behaviour
Under the existence conditions for making systemic software development platform, controlled by improvement part network protocol, directly to digital signal processor core
The method that the operation program of piece DSP carries out dynamically load.To realize dynamically load in the case where not increasing additional circuit
Function, it is ensured that the compatibility of system.
Algorithm and display are not inherently related to any particular computer, virtual system, or other device provided herein.
Various general-purpose systems can also be used together with teachings based herein.In addition, the present invention is not also directed to any certain programmed language
Speech.It should be understood that can use various programming languages realizes summary of the invention described herein, and above to language-specific
The description done is in order to disclose the best mode of carrying out the invention.
In the instructions provided here, numerous specific details are set forth.It is to be appreciated, however, that implementation of the invention
Example can be practiced without these specific details.In some instances, well known method, structure is not been shown in detail
And technology, so as not to obscure the understanding of this specification.
Particular embodiments described above has carried out further in detail the purpose of the present invention, technical scheme and beneficial effects
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (4)
1. a kind of data load method based on network interface, which comprises the following steps:
Step 1: the trawl performance to computer installation under an operating system；
Step 2: downloading and installing control function library；
Step 3: being improved to control function；
Step 4: improved control function directly opens web socket with physical address, operation program is added
It carries；
Step 5: detection load successfully marks.
2. data load method according to claim 1, which is characterized in that control function library is the library WATTCP or TCP/
IP interface.
3. data load method according to claim 1, which is characterized in that the data load side based on network interface
Method is used for SAR Real-Time Imaging System.
4. data load method according to claim 1, which is characterized in that computer uses industrial control computer, mainboard
For PC104 mainboard, PowerPC mainboard or ARM mainboard；Its operating system is DOS system, LINUX system or Vxworks system
System.
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| CN201811579667.6A CN109656628A (en) | 2018-12-24 | 2018-12-24 | A kind of data load method based on network interface |
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| CN201811579667.6A CN109656628A (en) | 2018-12-24 | 2018-12-24 | A kind of data load method based on network interface |
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Application publication date: 20190419 |